CN106068899B - A kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion - Google Patents

A kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion Download PDF

Info

Publication number
CN106068899B
CN106068899B CN201610414102.7A CN201610414102A CN106068899B CN 106068899 B CN106068899 B CN 106068899B CN 201610414102 A CN201610414102 A CN 201610414102A CN 106068899 B CN106068899 B CN 106068899B
Authority
CN
China
Prior art keywords
delivery chute
bevel gear
transmission case
positive
negative rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610414102.7A
Other languages
Chinese (zh)
Other versions
CN106068899A (en
Inventor
李耀明
杨亚男
陈郁
唐忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University
Original Assignee
Jiangsu University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu University filed Critical Jiangsu University
Priority to CN201610414102.7A priority Critical patent/CN106068899B/en
Publication of CN106068899A publication Critical patent/CN106068899A/en
Application granted granted Critical
Publication of CN106068899B publication Critical patent/CN106068899B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D41/00Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/12Details of combines
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00Parts or details of threshing apparatus
    • A01F12/46Mechanical grain conveyors

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvester Elements (AREA)

Abstract

The present invention is a kind of combine harvester delivery chute that careless function is moved back with rotating forward conveying reversion, including conveying slot shell, chain harrow, supporting plate, transmission and tensioning, the present invention is cut off and is connected to the power between combined harvester threshing cylinder power output shaft and delivery chute power input shaft by a set of tension pulley mechanism, and power is transmitted in such a way that positive and negative rotation transmission case internal bevel gear often engages, the switching operation of the power connection shaft in the handle control positive and negative rotation transmission case on riding manipulation platform is pulled by driver, simplify the transmission system of combine harvester positive and negative rotation delivery chute, it can quickly solve the problems, such as the stifled grass inside delivery chute, reduce the troubleshooting difficulty that delivery chute in combine harvester harvest blocks up grass, the configuration of the present invention is simple, it is easy to operate, the efficiency and safety of delivery chute can be greatly improved applied to combine harvester.

Description

A kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion
Technical field
It is concretely that one kind has the present invention relates to the rice and wheat conveying trough device technical field on combine harvester The combine harvester delivery chute that careless function is moved back in conveying reversion is rotated forward, can be widely applied to the high-performance harvest of rice and wheat.
Background technique
Existing domestic and international combine harvester have just transfer grass reversion move back most of delivery chute of careless function be driven it is defeated Enter setting on axis and rotate forward clutch and reversing clutch, for example, the patent of invention (combining of application number 201110037073.4 Machine) a kind of bevel gear housing is devised, case input shaft, the steering of two case input shafts are provided projectingly in transmission case or so side The case input shaft of forward rotation direction and harvesting input shaft linkage, reversing clutch is set to make the case of reverse directions on the contrary, rotating forward clutch Input shaft and harvesting input shaft linkage, to transmit the driving force in positive and negative rotation direction, realize combine harvester delivery chute and just transfer The function of grass is moved back in grass reversion, but arranges that two power transmission lines make structure complex, clockwise and anticlockwise clutch and positive and negative rotation Case input shaft works alternatively, and the probability of failure increases;Chinese patent CN201420466525.X (full-feeding combine harvester Delivery chute Fan Cao mechanism) one kind is disclosed on delivery chute main shaft equipped with counter gear draw box mechanism, including it is set to conveying Transmission gear, excess axle on slot main shaft and the shift fork and balladeur train being set in excess axle, are stirred by shift fork Balladeur train in counter gear draw box mechanism in excess axle is engaged with the transmission gear on delivery chute main shaft, changes delivery chute The steering of main shaft realizes combine harvester delivery chute and is just transferring the function that grass is moved back in grass reversion, but same using conveying Two sets of tensioning apparatus are set between slot main shaft and cylinder shaft, and structure is complicated, and the probability of failure increases, and inverts tooth Commutation is realized in such a way that shifting slide gear is engaged with transmission gear in wheel draw box mechanism, is easy to appear gear slippage phenomenon, power It transmits unstable;It needs driver to get off and stirs shift fork commutation, efficiency is lower.If being used for power only with a set of tension pulley mechanism Cutting and connection, and transmit power in such a way that gear often engages, pass through driver and pull hand on riding manipulation platform Handle carries out switching operation, then realizes that the mechanism of delivery chute positive and negative rotation will be substantially reduced on combine harvester, the biography of combine harvester Dynamic system will be also simplified, and be more conducive on combine harvester having the knot for just transferring the delivery chute that careless function is moved back in grass reversion Structure improves and functional promotion, and driver's operation is simpler, and failure rate substantially reduces.
Summary of the invention
The technical problem to be solved by the present invention is to by a set of tension pulley mechanism to combined harvester threshing cylinder power Power between output shaft and delivery chute power input shaft is cut off and is connected, and uses positive and negative rotation transmission case internal bevel gear The mode often engaged transmits power, pulls the handle on riding manipulation platform to control the power in positive and negative rotation transmission case by driver The switching operation of connecting shaft, the big feed quantity harvest that the present invention can meet rice and kernel require, and simplify that combine harvester is positive and negative to be transferred The transmission system of slot is sent, can quickly solve the problems, such as the stifled grass inside delivery chute, it is stifled to reduce delivery chute in combine harvester harvest The troubleshooting difficulty of grass, the configuration of the present invention is simple is easy to operate, and the efficiency of delivery chute can be greatly improved applied to combine harvester And safety.
The present invention is achieved through the following technical solutions:
A kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion, including chain harrow, transmission and tensioning dress It sets, positive and negative rotation transmission case, ceding of Taiwan feeding unit, sheller unit and Drive Section;
The ceding of Taiwan feeding unit output end is connect with chain harrow input terminal;Chain harrow output end and transmission and tensioning apparatus input End connection;The transmission and tensioning apparatus output end are connect with positive and negative rotation transmission case input terminal;The positive and negative rotation transmission case output End is connect with sheller unit;
The chain harrow includes transportation sprocket, rake teeth and conveyor chain;The transportation sprocket includes transportation sprocket A, carrier chain Take turns B, transportation sprocket C, transportation sprocket D;The transportation sprocket A and transportation sprocket B are close to ceding of Taiwan feeding unit;The transportation sprocket C and transportation sprocket D are close to sheller unit;Rake teeth is evenly equipped on the conveyor chain;Conveyor chain is genesis analysis, and quantity is 2, the conveyor chain is engaged with transportation sprocket;
The transmission and tensioning apparatus include delivery chute power input shaft, delivery chute power output shaft and drive sprocket;Institute Delivery chute power output shaft is stated close to ceding of Taiwan feeding unit, and transportation sprocket A, carrier chain are installed on delivery chute power output shaft Take turns B;The delivery chute power input shaft is mounted in the hole opened up on positive and negative rotation transmission case side wall;The delivery chute power input Axis one end protrudes from positive and negative rotation transmission case side wall shaft end and is equipped with drive sprocket, transportation sprocket C, transportation sprocket D;
The positive and negative rotation transmission case includes the second belt pulley, first bevel gear, second bevel gear, third hand tap gear, power Connecting shaft, shift fork, positive and negative rotation transmission case body;
The first bevel gear is located at the inside left of positive and negative rotation transmission case body, with the coaxial soldering of the second belt pulley, leads to Needle bearing empty set is crossed on delivery chute power input shaft, it is solid that formula bearing cap is bolted in delivery chute power input shaft shaft end Fixed, the inner hole of first bevel gear is equipped with internal spline;
The second bevel gear is located at the inner lower of positive and negative rotation transmission case body, with first bevel gear, third hand tap gear Engagement, second bevel gear centre are equipped with inner hole, are covered in the support shaft being arranged on positive and negative rotation transmission case lower box by ball bearing, Ball bearing is fixed by circlip A;
The third hand tap gear is located at the inner right side of positive and negative rotation transmission case body, engages with second bevel gear, passes through a left side Needle bearing empty set is on delivery chute power input shaft, and the needle bearing that rolls left is fixed by circlip B, and the inner hole of third hand tap gear is equipped with Internal spline;
The orthogonal transmission of first bevel gear, second bevel gear, 90 degree of crossed axis angle, the orthogonal biography of second bevel gear, third hand tap gear It is dynamic, 90 degree of crossed axis angle, the axle center coincidence of first bevel gear, third hand tap gear;
The power connection shaft is located at the inside of positive and negative rotation transmission case body, is mounted on delivery chute power input shaft, and It is placed between first bevel gear, third hand tap gear, the axle center of power connection shaft is equipped on internal spline, with delivery chute power input shaft External splines A connection transmission, power connection shaft can be on delivery chute power input shaft among axial sliding, power connection shaft Equipped with fork slot, power connection shaft both ends outer circle is equipped with external splines B;
The shift fork is stuck in the fork slot among power connection shaft, and shift fork is fixed on the upper of power connection shaft by positioning pin On semiaxis, shift fork upper end is additionally provided with two engaging lugs;
The positive and negative rotation transmission case body includes transmission case upper box and transmission case lower box, transmission case upper box and transmission Case lower box is detachably connected, and transmission case upper box is equipped with open pore, the control stick poke rod on Drive Section pass through open pore with Two engaging lugs of shift fork upper end are hinged.
Further, second belt pulley is located at the first skin on the outside and threshing cylinder of positive and negative rotation transmission case body Belt wheel is connected by belt;Split leather band is equipped with tensioning wheel, tensioning wheel relative rotation between first belt pulley and the second belt pulley It is mounted on one end of swing arm, the other end of swing arm is horizontally mounted on the rack by torsional spring, passes through interior cable in the middle part of swing arm The linkage of the tensioning control stick of line and Drive Section.
Further, two engaging lug thickness of the shift fork upper end are 3~5mm, and width is 5~10mm, and shift fork connecting hole is straight Diameter is 3~6mm, the total a height of 30~50mm of shift fork, the axle center of shift fork connecting hole and inner hole axis perpendicular.
Further, internal spline N=6~10 that the first bevel gear, third hand tap gear inner hole are equipped with, B=3~6 are interior Spline 20~40mm of hole depth, first bevel gear, the small end end face distance of third hand tap gear are 50~80mm, second bevel gear inner hole Diameter is 30~50mm, 15~30mm of hole depth;The power connection shaft overall length is 50~80mm, the outer flower that both ends outer circle is equipped with Key N=6~10, B=3~6mm, length is respectively 20~40mm, shaft end external splines 3~5mm of chamfer, the internal spline that axle center is equipped with N=6~8, B=5~10mm, first bevel gear, third hand tap gear internal spline run through power connection shaft;Wherein, N- bond number;B- key It is wide.
The beneficial effects of the present invention are:
(1) the positive and negative rotation transmission case mechanism for using three normal engagement systems of conical gear, passes through the outer flower of power connection shaft Key and the internal spline of bevel gear connection transmitting power, keep power transmitting more stable, jump tooth when being not in gear slippage is existing As, and by a set of tension pulley mechanism between combined harvester threshing cylinder power output shaft and delivery chute power input shaft Power cut off and connected, the configuration of the present invention is simple simplifies the transmission system of combine harvester positive and negative rotation delivery chute, drop Delivery chute blocks up the troubleshooting difficulty of grass in low combine harvester harvest.
(2) when stifled grass occurring inside delivery chute, driver does not have to lower machine, is pulled on bridge controller by driver Handle control combined harvester threshing cylinder power output shaft and delivery chute power input shaft between power cut and connection, And the switching operation of the power connection shaft in control positive and negative rotation transmission case, the present invention can quickly solve the stifled grass inside delivery chute Problem, it is easy to operate, the efficiency and safety of delivery chute can be greatly improved applied to combine harvester.
(3) present invention is suitable for the delivery chute of a variety of combine harvesters such as wheat, soybean, rice, rape, has very high Adaptability, and positive and negative rotation transmission case body, tensioning and reversing arrangement have very high versatility and replaceability.
Detailed description of the invention
Fig. 1 is combine harvester entirety side view;
Fig. 2 is combine harvester overall top view;
Fig. 3 is the partial enlarged view of combine harvester overall top view;
Fig. 4 is tensioning and operating mechanism schematic diagram;
Fig. 5 is positive and negative rotation transmission case cross-sectional view;
Fig. 6 is positive and negative rotation transmission case control stick structure chart;
Fig. 7 is the commutation positioning plate structure figure of positive and negative rotation transmission case control stick.
In figure, 1. conveying slot shells, 101. outer panels, 2. chain harrows, 201. transportation sprockets, 202. rake teeths, 203. carrier chains Item, 3. supporting plates, 4. transmissions and tensioning, 401. delivery chute power input shafts, 402. delivery chute power output shafts, 403. transmission chains Wheel, 5. positive and negative rotation transmission cases, 501. second belt pulleys, 502. first bevel gears, 503. second bevel gears, 504. triconodonts Wheel, 505. power connection shafts, 506. shift forks, 507. positive and negative rotation transmission case bodies, 507A. positive and negative rotation transmission case upper box, 507B. Positive and negative rotation transmission case lower box, 508A. roll left needle bearing, the right needle bearing of 508B., 509. ball bearings, 5010. bolt connecting types Bearing cap, 5011. support shafts, 6. ceding of Taiwan feeding units, 601. winders, 602. cedings of Taiwan, 603. augers, 7. sheller units, 701. threshing cylinders, 702. first belt pulleys, 703. belts, 704. threshing cylinder power output shafts, 8. tensioning apparatus, 801. Bearing up pulley, 802. swing arms, 803. torsional springs, cable in 804., 9. Drive Sections, 901. tensioning control sticks, 902. forward-reverse rotation controlling rods, 9021. control stick limit shafts, 903. commutation positioning plates, 10. racks.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
As shown in Figures 1 to 3, a kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion, including conveying Slot shell 1, chain harrow 2, supporting plate 3, transmission and tensioning apparatus;The input terminal of the conveying slot shell 1 connects combine harvester cutting table The feeding mouth of feeding unit 6, output end connect the feeding mouth of combine harvester sheller unit 7;The chain harrow 2 includes being set to Transportation sprocket 201 on delivery chute power input shaft 401 and delivery chute power output shaft 402 engages connection on transportation sprocket 201 Ring-shaped conveying chain item 203 with rake teeth 202, rake teeth 202 are uniformly distributed on conveyor chain 203;The supporting plate 3 is mounted on delivery chute The centre of internal two ring-shaped conveying chain items 203, supports the load-bearing of two ring-shaped conveying chain items 203;The transmission and tensioning Device includes delivery chute power input shaft 401, delivery chute power output shaft 402, drive sprocket 403, positive and negative rotation transmission case 5;It passes Movable sprocket 403 is mounted on the output end of delivery chute power input shaft 401, and positive and negative rotation transmission case 5 is mounted on the input of delivery chute power The input terminal of axis 401, against the outer panel 101 of conveying slot shell 1.
As shown in figure 4, second belt pulley 501 in 507 outside of positive and negative rotation transmission case body and first on threshing cylinder 701 Belt pulley 702 is connected by belt 703;Split leather band 703 is equipped with tensioning between first belt pulley 702 and the second belt pulley 501 Wheel 801,801 relative rotation of tensioning wheel are mounted on 802 one end of swing arm freely, and the swing arm other end is horizontal by torsional spring 803 It is mounted in rack 10, is linked in the middle part of swing arm 802 by the tensioning control stick 901 of interior cable 804 and Drive Section 9;
As shown in figure 5, positive and negative rotation transmission case 5 include the second belt pulley 501, first bevel gear 502, second bevel gear 503, Third hand tap gear 504, power connection shaft 505, shift fork 506, positive and negative rotation transmission case body 507;Second belt pulley 501 is located at positive and negative The outside for turning transmission case body 507 is mounted on the input terminal of delivery chute power input shaft 401;First bevel gear 502 is located at positive and negative The inside left for turning transmission case body 507, and the coaxial soldering of the second belt pulley 501, by the needle bearing 508A empty set that rolls left defeated It send on slot power input shaft 401, shaft end is bolted formula bearing cap 5010 and fixes, and the inner hole of first bevel gear 502 is equipped with Internal spline;Second bevel gear 503 is located at the inner lower of positive and negative rotation transmission case body 507, with the first and third bevel gear 502,504 Engagement is equipped with inner hole among second bevel gear 503, by 509 empty set of ball bearing positive and negative rotation transmission case lower box 507B branch It supports on axis 5011, ball bearing 509 is fixed by circlip A;Third hand tap gear 504 is located at the inside of positive and negative rotation transmission case body 507 Right side is engaged with second bevel gear 503, through right needle bearing 508B empty set on delivery chute power input shaft 401, right needle roller Bearing 508B is fixed by circlip B, and the inner hole of third hand tap gear 504 is equipped with internal spline;First and second bevel gear 502,503 is orthogonal Transmission, 90 degree of crossed axis angle, second and third bevel gear 503,504 orthogonal transmissions, 90 degree of crossed axis angle, the first and third bevel gear 502,504 Axle center be overlapped;Power connection shaft 505 is located at the inside of positive and negative rotation transmission case body 507, is mounted on delivery chute power input shaft On 401, between the first and third bevel gear 502,504, the axle center of power connection shaft 505 is equipped with internal spline, inputs with delivery chute power External splines on axis 401 connects transmission, and power connection shaft 505 can move on delivery chute power input shaft 401 along axial sliding Fork slot is equipped among power connecting shaft 505, both ends outer circle is equipped with external splines;Shift fork 506 is stuck among power connection shaft 505 It in fork slot, is fixed on the upper semiaxis of power connection shaft 505 by positioning pin, 506 upper end of shift fork is additionally provided with two engaging lugs;Just Inverting transmission case body 507 includes transmission case upper box 507A and transmission case lower box 507B, transmission case upper box 507A and biography Dynamic case lower box 507B is bolted, and transmission case upper box 507A is equipped with open pore, the forward-reverse rotation controlling rod of Drive Section 9 902 is hinged across open pore and two engaging lugs of 506 upper end of shift fork, and transmission case lower box 507B is equipped with installation second bevel gear 503 support shaft 5011;
Above-mentioned having rotates forward the combine harvester delivery chute that careless function is moved back in conveying reversion, positive and negative rotation transmission case body 507 A length of 150~200mm, width be 110~150mm, a height of 110~150mm, wall thickness be 3~5mm, positive and negative rotation transmission case body The tooth top distance of 502,503,504 large end face of 507 inner walls and the first, second and third bevel gear is not less than 5mm;First and third bevel gear 502,504 tip diameter is 80~100mm, 20~40mm of the facewidth, the tip diameter of second bevel gear 503 is 100~ 130mm, 20~40mm of the facewidth, 6~8 grades of bevel gear precision;Left and right needle bearing 508A, 508B inner ring and delivery chute are dynamic Power input shaft 401 is interference fitted, outer ring and the first and third bevel gear 502,504 inner hole transition fits, 509 inner ring of ball bearing with just It inverts transmission case lower box 507B support shaft 5011 to be interference fitted, outer ring and 503 inner hole transition fit of second bevel gear, bearing etc. P0 grades of grade;Internal spline N=6~10 that first and third bevel gear 502,504 inner holes are equipped with, B=3~6, internal spline hole depth 20~ 40mm, the small end end face distance of the first and third conical gear 502,504 are 50~80mm, and 503 diameter of bore of second bevel gear is 30 ~50mm, 15~30mm of hole depth;505 overall length of power connection shaft is 50~80mm, and intermediate fork groove width is 5~10mm, both ends External splines N=6~10 that outer circle is equipped with, B=3~6mm, length are respectively 20~40mm, shaft end external splines 3~5mm of chamfer, Internal spline N=6~8 that axle center is equipped with, B=5~10mm, internal spline is through power connection shaft 505;Shift fork 506 is stuck in fork slot In, shift fork diameter of bore is 30~40mm, and width is 5~10mm, and two engaging lug thickness of 506 upper end of shift fork are 3~5mm, width 5 ~10mm, connection bore dia are 3~6mm, the total a height of 30~50mm of shift fork 506, the axle center of connecting hole and inner hole axis perpendicular.
As shown in figs. 6-7,902 handle, at its lower end of forward-reverse rotation controlling rod has a limit shaft 9021, and limit shaft 9021, which is stuck in, to be changed In two guiding grooves a or b on positioning plate 903, for fixing the position of forward-reverse rotation controlling rod 902, combine harvester is done just When normal harvesting, forward-reverse rotation controlling rod limit shaft 9021 is stuck in the position a of commutation positioning plate 903;Combine harvester is improper When harvesting, delivery chute blocking, driver needs to mention forward-reverse rotation controlling rod 902 upwards, so that limit shaft 9021 is stuck in commutation fixed The position b of position plate 903.
Specific implementation process is described further:
It is specific when a kind of combine harvester delivery chute harvest rice or wheat for moving back careless function with rotating forward conveying reversion Implementation process is, when combine harvester does normal harvesting, tensioning control stick 901 is in " engagement " position, positive and negative rotation manipulation The limit shaft 9021 of bar is located at the position a of commutation positioning plate 903, external splines and the first cone on the left outside circle of power connection shaft 505 The internal spline of 502 inner hole of gear connects, and driving force passes through skin by the first belt pulley 702 on threshing cylinder power output shaft 704 The second belt pulley 501 with 703 incoming 5 outsides of positive and negative rotation transmission case, the second belt pulley 501 drive first bevel gear 502 to rotate, First bevel gear 502 drives power connection shaft 505 to rotate by inner hole internal spline, and turn power is finally conveyed to delivery chute and is moved Power input shaft 401, delivery chute power input shaft 401 drive transportation sprocket 201 and the positive transmission of conveyor chain 203, are cut off Rice or wheat dial in the ceding of Taiwan 602 by winder 601, then the input terminal of conveying slot shell 1 is fed by auger 603, in delivery chute Two ring-shaped conveying chain items 203 that transportation sprocket 201 on power input shaft 401 and delivery chute power output shaft 402 drives Under effect, the rice or wheat cut off, to lower and upper movement, are promoted to combining with the rake teeth 202 on conveyor chain 203 The feeding mouth of machine sheller unit 7 carries out threshing operations by threshing cylinder 701, completes the function that delivery chute rotates forward conveying;Work as joint When stifled careless phenomenon occurring inside harvester delivery chute, the rice or wheat cut off feed the defeated of conveying slot shell 1 by auger 603 Enter end, and delivery chute is blocked by the rice or wheat that previous conveying is come in, delivery chute power input shaft 401 can not continue to drive defeated It send sprocket wheel 201 and conveyor chain 203 to work, therefore cannot achieve the rice cut off or wheat with the rake on conveyor chain 203 Tooth 202 to it is lower and on move to threshing cylinder 701 carry out threshing operations, delivery chute rotate forward conveying function cannot achieve;At this point, driving The person of sailing stops and decontrols the tensioning control stick 901 of tension, and tensioning control stick 901 is in the position of " disengaging ", operates the interior of cable Cable 804 is relaxed, and tensioning wheel 801, as swing arm 802 is in a horizontal position, is tensioned under the action of torsional spring 803 with releasing The pressing of 801 pairs of belts 703 is taken turns, belt 703 becomes relaxed state, is disconnected combined harvester threshing cylinder power output shaft The power transmitting of 704 pairs of delivery chute power input shafts 401;Driver is lifted up forward-reverse rotation controlling rod 902, limits control stick Axis 9021 is located at the position b of commutation positioning plate 903, work of the shift fork 506 in positive and negative rotation transmission case 5 in forward-reverse rotation controlling rod 902 It is slid to the right with lower drive power connection shaft 505, in the external splines in the right outer circle of power connection shaft 505 and third hand tap gear 504 The internal spline in hole connects;The tensioning control stick 901 unclamped is tensed, tensioning control stick 901 is in " engagement " position, operates cable Interior cable 804 is stretched, and tensioning wheel overcomes the torque of torsional spring 803 under the pulling force effect of interior cable 804, with swing arm 802 In the position tilted down, tensioning wheel 801 presses belt 703, and belt 703 becomes tension, and driving force is by taking off The first belt pulley 702 on grain roller power output shaft 704 is passed to second skin in 5 outside of positive and negative rotation transmission case by belt 703 Belt wheel 501, the second belt pulley 501 drive first bevel gear 502 to rotate, and first bevel gear 502 drives 503 turns of second bevel gear Dynamic, second bevel gear 503 drives third hand tap gear 504 to rotate, and third hand tap gear 504 is connected by power by inner hole internal spline Axis 505 rotates, and Reverse Power is finally conveyed to delivery chute power input shaft 401, and delivery chute power input shaft 401 drives conveying 203 reverse drive of sprocket wheel 201 and conveyor chain, the rice being blocked in inside delivery chute or wheat are exited, and it is anti-to complete delivery chute Turn to move back careless function.
The embodiment is a preferred embodiment of the present invention, but present invention is not limited to the embodiments described above, not In the case where substantive content of the invention, any conspicuous improvement that those skilled in the art can make, replacement Or modification all belongs to the scope of protection of the present invention.

Claims (2)

1. a kind of move back the combine harvester delivery chute of careless function with rotating forward conveying reversion, it is characterised in that: including chain harrow (2), Transmission and tensioning apparatus;The chain harrow (2) includes transmission and tensioning apparatus;
Positive and negative rotation transmission case (5) includes the second belt pulley (501), first bevel gear (502), second bevel gear (503), third cone Gear (504), power connection shaft (505), shift fork (506), positive and negative rotation transmission case body (507);
The first bevel gear (502) is located at the inside left of positive and negative rotation transmission case body (507), with the second belt pulley (501) Coaxial soldering, through the needle bearing that rolls left (508A) empty set on delivery chute power input shaft (401), delivery chute power input shaft axis End is bolted formula bearing cap (5010) and fixes, and the inner hole of first bevel gear (502) is equipped with internal spline;
The second bevel gear (503) is located at the inner lower of positive and negative rotation transmission case body (507), with first bevel gear (502), Third hand tap gear (504) engagement, second bevel gear (503) is intermediate to be equipped with inner hole, is covered by ball bearing (509) and is driven in positive and negative rotation In the support shaft (5011) being arranged on case lower box (507B), ball bearing (509) is fixed by circlip A;
The third hand tap gear (504) is located at the inner right side of positive and negative rotation transmission case body (507), with second bevel gear (503) Engagement, through right needle bearing (508B) empty set on the delivery chute power input shaft (401) of transmission and tensioning apparatus, right needle roller Bearing (508B) is fixed by circlip B, and the inner hole of third hand tap gear (504) is equipped with internal spline;
First bevel gear (502), the orthogonal transmission of second bevel gear (503), 90 degree of crossed axis angle, second bevel gear (503), third cone The orthogonal transmission of gear (504), 90 degree of crossed axis angle, the axle center coincidence of first bevel gear (502), third hand tap gear (504);
The power connection shaft (505) is located at the inside of positive and negative rotation transmission case body (507), is mounted on transmission and tensioning apparatus On delivery chute power input shaft (401), and it is placed between first bevel gear (502), third hand tap gear (504), power connection shaft (505) axle center is equipped with internal spline, connect with the external splines A on the delivery chute power input shaft (401) of transmission and tensioning apparatus Transmission, power connection shaft (505) can be on delivery chute power input shaft (401) along axial sliding, power connection shaft (505) Between be equipped with fork slot, power connection shaft (505) both ends outer circle be equipped with external splines B;
The shift fork (506) is stuck in the intermediate fork slot of power connection shaft (505), and shift fork (506) is fixed on dynamic by positioning pin On the upper semiaxis of power connecting shaft (505), shift fork (506) upper end is additionally provided with two engaging lugs;
The positive and negative rotation transmission case body (507) includes transmission case upper box (507A) and transmission case lower box (507B), transmission Case upper box (507A) and transmission case lower box (507B) are detachably connected, and transmission case upper box (507A) is equipped with hole;
Two engaging lug thickness of shift fork (506) upper end are 3~5mm, and width is 5~10mm, and shift fork (506) connection bore dia is 3~6mm, the total a height of 30~50mm of shift fork (506), the axle center of shift fork (506) connecting hole and inner hole axis perpendicular.
2. according to claim 1 have the combine harvester delivery chute for rotating forward and conveying and inverting and move back careless function, feature exists In, internal spline N=6~10 that the first bevel gear (502), third hand tap gear (504) inner hole are equipped with, B=3~6, internal spline 20~40mm of hole depth, first bevel gear (502), the small end end face distance of third hand tap gear (504) are 50~80mm, the second cone tooth Wheel (503) diameter of bore is 30~50mm, 15~30mm of hole depth;Power connection shaft (505) overall length is 50~80mm, both ends External splines N=6~10 that outer circle is equipped with, B=3~6mm, length are respectively 20~40mm, shaft end external splines 3~5mm of chamfer, Internal spline N=6~8, the B=5~10mm that axle center is equipped with, first bevel gear (502), third hand tap gear (504) internal spline run through Power connection shaft (505);Wherein, N- bond number;B- key is wide.
CN201610414102.7A 2016-06-13 2016-06-13 A kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion Active CN106068899B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610414102.7A CN106068899B (en) 2016-06-13 2016-06-13 A kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610414102.7A CN106068899B (en) 2016-06-13 2016-06-13 A kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion

Publications (2)

Publication Number Publication Date
CN106068899A CN106068899A (en) 2016-11-09
CN106068899B true CN106068899B (en) 2019-04-30

Family

ID=57845316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610414102.7A Active CN106068899B (en) 2016-06-13 2016-06-13 A kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion

Country Status (1)

Country Link
CN (1) CN106068899B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108718663A (en) * 2017-04-21 2018-11-02 苏州宝时得电动工具有限公司 Grass trimmer
KR102488259B1 (en) * 2017-08-01 2023-01-13 주식회사 대동 Electronic controlled engine RPM control device and method of Whole culm discharging type combine, Whole culm discharging type combine containing the same
CN110712305A (en) * 2018-07-11 2020-01-21 苏州宝时得电动工具有限公司 Hand-held cutting tool
CN112385389A (en) * 2019-08-16 2021-02-23 科乐收印度私人有限公司 Harvester with reversing function
CN112930844B (en) * 2019-12-11 2024-03-15 迪尔公司 Harvester gap bridge reverse rotation control device and harvester
CN115380705B (en) * 2022-10-28 2023-01-24 潍柴雷沃智慧农业科技股份有限公司 Header system and harvester
CN115568328A (en) * 2022-11-21 2023-01-06 甘肃农业大学 Gap bridge structure and combine harvester

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2278332Y (en) * 1996-12-31 1998-04-15 江苏省东台市农业机械化研究所 Forward and reverse rotating device for rotavator
CN2527081Y (en) * 2002-03-15 2002-12-25 李明来 Universal combine for wheat and rice
EP2106680A1 (en) * 2008-04-01 2009-10-07 Redexim Handel-en Exploitatie Maatschappij B.V. Soil ventilation device
CN201329945Y (en) * 2008-11-12 2009-10-21 陈冠武 Reversing device for chain vehicle
CN103988631A (en) * 2014-04-30 2014-08-20 江苏大学 Rice and wheat combined harvesting and bundling integrated compound operation machine
CN104054449A (en) * 2014-07-07 2014-09-24 江苏大学 Tangential-longitudinal axial type grain combine harvesting and bundling duplex operation machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2278332Y (en) * 1996-12-31 1998-04-15 江苏省东台市农业机械化研究所 Forward and reverse rotating device for rotavator
CN2527081Y (en) * 2002-03-15 2002-12-25 李明来 Universal combine for wheat and rice
EP2106680A1 (en) * 2008-04-01 2009-10-07 Redexim Handel-en Exploitatie Maatschappij B.V. Soil ventilation device
CN201329945Y (en) * 2008-11-12 2009-10-21 陈冠武 Reversing device for chain vehicle
CN103988631A (en) * 2014-04-30 2014-08-20 江苏大学 Rice and wheat combined harvesting and bundling integrated compound operation machine
CN104054449A (en) * 2014-07-07 2014-09-24 江苏大学 Tangential-longitudinal axial type grain combine harvesting and bundling duplex operation machine

Also Published As

Publication number Publication date
CN106068899A (en) 2016-11-09

Similar Documents

Publication Publication Date Title
CN106068899B (en) A kind of combine harvester delivery chute moving back careless function with rotating forward conveying reversion
MY186659A (en) Combine and threshing apparatus mountable thereon
CN103621246B (en) A kind of grain combine of grass-winding proof
CN106998650B (en) Combine harvester
CN203723063U (en) Transmission mechanism of combine harvester
CN111802096A (en) Hay cutter device with adjustable forage cutting length
CN216555256U (en) Large-scale silage quick-witted header derailleur
KR101417631B1 (en) Combine Harvest Moving Rotation Device
CN211550414U (en) Conveying groove shaft forward and backward rotating device and machine using same
CN107616535A (en) A kind of ensilage guillotine cutting kneading machine
CN203708832U (en) Cereal combine harvester capable of avoiding from winding grass
CN209597339U (en) Chopped leaves of mulberry transports mulberry integrated device
CN104823612B (en) Maize sheller transmission mechanism and the all-round maize sheller of threshing decortication
CN210491746U (en) Header transmission device of silage harvester
CN208609442U (en) A kind of Miniature corn harvesting machine gearbox
CN202514322U (en) Power input device of header of harvesting machine
CN204653066U (en) Husker sheller transmission mechanism and the all-round husker sheller of threshing decortication
CN101953254A (en) Transmission mechanism of combine harvester
CN113931984B (en) Silage harvester header transmission and transmission method thereof
CN211909687U (en) Switching device for forward and reverse rotation bidirectional conveying and rice and wheat combine harvester
CN103797962A (en) Transmission mechanism of combine harvester
CN202949720U (en) Ear picking mechanism for corn harvest
CN204317031U (en) Peas combine transmission device under corn/pea intercropping pattern
RU2588444C2 (en) Drive device for assembly of self-propelled harvester, comprising suspended cutting tool and/or inclined feeder
CN209648823U (en) A kind of feeding mechanism of slicer

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant